Sunday, October 30, 2022

NCERT EXAMPLER,Chapter- 6 TISSUES,CLASS 9th

 1. Which of the following tissues has dead cells?

(a) Parenchyma

(b) Sclerenchyma

(c) Collenchyma

(d) Epithelial tissue

2. Find out incorrect sentence

(a) Parenchymatous tissues have intercellular spaces

(b) Collenchymatous tissues are irregularly thickened at corners

(c) Apical and intercalary meristems are p5ermanent tissues

(d) Meristematic tissues, in its early stage, lack vacuoles

3. Girth of stem increases due to

(a) apical meristem

(b) lateral meristem

(c) intercalary meristem

(d) vertical meristem

4. Which cell does not have perforated cell wall?

(a) Tracheids

(b) Companion cells

(c) Sieve tubes

(d) Vessels

5. Intestine absorb the digested food materials. What type of epithelial cells

are responsible for that?

(a) Stratified squamous epithelium

(b) Columnar epithelium

(c) Spindle fibres

(d) Cuboidal epithelium

6. A person met with an accident in which two long bones of hand were

dislocated. Which among the following may be the possible reason?

(a) Tendon break

(b) Break of skeletal muscle

(c) Ligament break

(d) Areolar tissue break

7. While doing work and running, you move your organs like hands, legs etc.

Which among the following is correct?

(a) Smooth muscles contract and pull the ligament to move the bones

(b) Smooth muscles contract and pull the tendons to move the bones

(c) Skeletal muscles contract and pull the ligament to move the bones

(d) Skeletal muscles contract and pull the tendon to move the bones

8. Which muscles act involuntarily?

(i) Striated muscles

(ii) Smooth muscles

(iii) Cardiac muscles

(iv) Skeletal muslces

(a) (i) and (ii)

(b) (ii) and (iii)

(c) (iii) and (iv)

(d) (i) and (iv)

9. Meristematic tissues in plants are

(a) localised and permanent

(b) not limited to certain regions

(c) localised and dividing cells

(d) growing in volume

10. Which is not a function of epidermis?

(a) Protection from adverse condition

(b) Gaseous exchange

(c) Conduction of water

(d) Transpiration

11. Select the incorrect sentence

(a) Blood has matrix containing proteins, salts and hormones

(b) Two bones are connected with ligament

(c) Tendons are non-fibrous tissue and fragile

(d) Cartilage is a form of connective tissue

12. Cartilage is not found in

(a) nose

(b) ear

(c) kidney

(d) larynx

13. Fats are stored in human body as

(a) cuboidal epithelium

(b) adipose tissue

(c) bones

(d) cartilage

14. Bone matrix is rich in

(a) fluoride and calcium

(b) calcium and phosphorus

(c) calcium and potassium

(d) phosphorus and potassium

15. Contractile proteins are found in

(a) bones

(b) blood

(c) muscles

(d) cartilage

16. Voluntary muscles are found in

(a) alimentary canal

(b) limbs

(c) iris of the eye

(d) bronchi of lungs

17. Nervous tissue is not found in

(a) brain

(b) spinal cord

(c) tendons

(d) nerves

18. Nerve cell does not contain

(a) axon

(b) nerve endings

(c) tendons

(d) dendrites

19. Which of the following helps in repair of tissue and fills up the space inside

the organ?

(a) Tendon

(b) Adipose tissue

(c) Areolar

(d) Cartilage

20. The muscular tissue which function throughout the life continuously

without fatigue is

(a) skeletal muscle

(b) cardiac muscle

(c) smooth muscle

(d) voluntary muscle

21. Which of the following cells is found in the cartilaginous tissue of the body?

(a) Mast cells

(b) Basophils

(c) Osteocytes

(d) Chondrocytes

22. The dead element present in the phloem is

(a) companion cells

(b) phloem fibres

(c) phloem parenchyma

(d) sieve tubes

23. Which of the following does not lose their nucleus at maturity?

(a) Companion cells

(b) Red blood cells

(c) Vessel

(d) Sieve tube cells

24. In desert plants, rate of water loss gets reduced due to the presence of

(a) cuticle

(b) stomata

(c) lignin

(d) suberin

25. A long tree has several branches. The tissue that helps in the side ways

conduction of water in the branches is

(a) collenchyma

(b) xylem parenchyma

(c) parenchyma

(d) xylem vessels

26. If the tip of sugarcane plant is removed from the field, even then it keeps on

growing in length. It is due to the presence of

(a) cambium

(b) apical meristem

(c) lateral meristem

(d) intercalary meristem

27. A nail is inserted in the trunk of a tree at a height of 1 metre from the

ground level. After 3 years the nail will

(a) move downwards

(b) move upwards

(c) remain at the same position

(d) move sideways

28. Parenchyma cells are

(a) relatively unspecified and thin walled

(b) thick walled and specialised

(c) lignified

(c) none of these

29. Flexibility in plants is due to

(a) collenchyma

(b) sclerenchyma

(c) parenchyma

(d) chlorenchyma

30. Cork cells are made impervious to water and gases by the presence of

(a) cellulose

(b) lipids

(c) suberin

(d) lignin

31. Survival of plants in terrestrial environment has been made possible by

the presence of

(a) intercalary meristem

(b) conducting tissue

(c) apical meristem

(d) parenchymatous tissue

32. Choose the wrong statement

(a) The nature of matrix differs according to the function of the tissue

(b) Fats are stored below the skin and in between the internal organs

(c) Epithelial tissues have intercellular spaces between them

(d) Cells of striated muscles are multinucleate and unbranched

33. The water conducting tissue generally present in gymnosperm is

(a) vessels

(b) sieve tube

(c) tracheids

(d) xylem fibres





No comments:

Post a Comment

Class 9th Ncert Exampler Science

Chapter 1 -  MATTER IN OUR SURROUNDINGS Chapter 2 - IS MATTER AROUND US PURE Chapter 3 - ATOMS AND M OLECULES Chapter 4 - STRUCTURE OF THE ...